O Si 
 1.0000000000000000
     5.3644999999999996    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.3644999999999996    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.3644999999999996
 O   Si 
   8   4
Cartesian
  1.8271063740950000  1.8271063740950000  1.8271063740950000
  0.8551436259049999  3.5373936259049996  4.5093563740949998
  3.5373936259049996  4.5093563740949998  0.8551436259049999
  4.5093563740949998  0.8551436259049999  3.5373936259049996
  3.5373936259049996  3.5373936259049996  3.5373936259049996
  4.5093563740949998  1.8271063740950000  0.8551436259049999
  1.8271063740950000  0.8551436259049999  4.5093563740949998
  0.8551436259049999  4.5093563740949998  1.8271063740950000
  0.0000000000000000  0.0000000000000000  0.0000000000000000
  2.6822499999999998  0.0000000000000000  2.6822499999999998
  0.0000000000000000  2.6822499999999998  2.6822499999999998
  2.6822499999999998  2.6822499999999998  0.0000000000000000